Explain what is a three tier data warehouse?


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More Data Warehouse General Interview Questions

What is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?

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How to create diff. Types of templates?

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why oracle is the best database for data warehousing?

4 Answers   HCL,


Do you always need to copy the data before reporting on it?(Example, real-time & on-demand reporting is a requirement)?

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State any 5 of Cods guidelines of an OLAP system, brief description each?

1 Answers  






Explain the difference between keylokup and joiner?

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What are the stages that are required in data warehousing?

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What is surrogate key? Explain with examples.

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How to eliminate duplicate rows from flat file?

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What is operational data store (ods)?

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Where we use surrogate key explain with example?

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What are diagrams?

0 Answers   InfoAxon Technologies,


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